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3.1.1.: Definitions

3.1.1.1. Acute toxicity means those adverse effects occurring following oral or dermal administration of a single dose of a substance or a mixture, or multiple doses given within 24 hours, or an inhalation exposure of 4 hours.
3.1.1.2. The hazard class Acute Toxicity is differentiated into:
Acute oral toxicity;
Acute dermal toxicity;
Acute inhalation toxicity.